class_docstr: Keypoints class
  
  Parameters
  ----------
  pts : numpy.ndarray
      Key points as an numpy.ndarray in (x, y) format.
  height : int
      Height of the coordinate frame.
  width : int
      Width of the coordinate frame.
code: def height(self, value):
      self.__height = value
  
imports: import numpy
  import torch
  from solt.constants import ALLOWED_INTERPOLATIONS, ALLOWED_PADDINGS, ALLOWED_TYPES
  from solt.utils import validate_parameter
label_desc: Use image node_id 7 for calling the Keypoints obj's underlying member method code with example usage: obj.height(value) without return types